Video is shot at a certain frame rate. For the purposes of this article, 50 and 60 work the same, as do 100 and 120. LG TruMotion LG isn't exactly transparent with its TruMotion tech. At least, don't trust it at face value. © 2020 CNET, A RED VENTURES COMPANY. Only one TV seems to have TruMotion 480Hz. If it doesn't have that extra processing, it's likely a 60Hz panel, with black frame insertion (if that). This is where anything in motion, either an object on screen or the entire image (like when the camera pans), blurs and looks softer than if it was stationary. The gray bar in the illustration is a darkened row of LEDs that scans vertically. Tweet at him @TechWriterGeoff, then check out his travel adventures as a digital nomad on Instagram and YouTube. For my own sanity, and ease of reading, I'm going to stick with 60 and 120, but feel free to read that as 50 and 100 if you're in the UK, Australia or any place that has 50Hz electricity. Myths, Marketing, and Misdirection: HDTV edition, TV tech explainer: Every HDTV technology decoded. This effectively means the image doesn't "hold" in place, so your brain doesn't blur it. Typically this is always on, or at least cycling at the same 60Hz the rest of the TV runs at. So Motion Rate 240 indicates a native refresh of 120Hz. True, the methods typically used to justify inflated refresh rate claims can help motion blur, it isn't the same as actually increasing the refresh rate. You can not really tell the difference between the video at 60 frames per second and video with frequent 120 frames per second. In the least expensive of their TVs, a Motion Rate of 60 means a 60Hz refresh. LG now lists their TruMotion number, along with the panel's native refresh rate, as in "TruMotion 240 (Refresh Rate 120Hz)" or "TruMotion 120 (Native 60Hz)."

Emphasis, mine. Sometimes those claims are justified, sometimes they aren't. And for those who prefer a more film-like picture, ClearScan 240Hz also offers a 5:5 pull-down option.". Here's the real story.

If the TV instead flashes this backlight rapidly, your eye would see the image, a moment of black, then the image again. Interestingly, this blur is largely created by your brain. Note: This article was originally published in 2015 but was updated in 2019 with current info and links. Be respectful, keep it civil and stay on topic. In other words, a "240Hz SPS" is a 120Hz TV with a scanning backlight. Some people aren't bothered by motion blur. This new technology, in newer HDTVs, creates frames in between frames and then interpolates them, essentially making movies, games, and TV shows appear that they are running at 60fps, even if in reality they are only natively 24-30fps. Nope, not necessarily. For more on that, check out "What is 600Hz?". The first is frame interpolation, where the TV itself creates brand-new frames that are sort of hybrids of the frame that came before, and the one that comes after. For the most effective increase in motion resolution, you need a native 120Hz refresh television. Many midrange TVs like this 60Hz Vizio M-Series Quantum are marketed with higher refresh rate numbers. He won't tell you what TV to buy, but he might use your letter in a future article.

We use cookies to ensure that we give you the best experience on our website. Just because a TV claims a certain refresh rate, don't assume it's actually that refresh. As we'll explain, though, a number higher than 120Hz doesn't necessarily mean the claim is false. Same concept, though. Some people are especially sensitive to a flickering backlight, so you might need to turn these features off. Since the one ClearScan 120Hz TV we've reviewed of Toshiba's this year was most definitely a 60Hz LCD, it's, ahem, clear the company is taking liberties in what "120Hz" actually means. Such indices are assigned to entry-level TVs, in such TVs a matrix with a frequency of 60 Hz image support is installed. They both improve picture clarity dramatically, without impacting brightness or adding flicker. First, check out all the other articles he's written on topics such as why you shouldn't buy expensive HDMI cables, TV resolutions explained, how HDR works and more. Today's 4K TVs are all marketed with "motion," "action" and "clear" numbers from 60 to 240 and higher. Refresh rate is one of the more confusing aspects of TV technology, and TV makers don't do much to explain it. Here are two images pulled from Sony's Asia site. Another method for potentially reducing motion blur slightly, but increasing the claimed refresh rate a lot, is video processing. The first is simple, and one we've said many times before: don't trust marketing. One of the latest marketing techniques, shall we say "gifts for fiction," is using different technology to approximate the effect of a higher refresh rate, without actually driving the TV at the higher rate. Only one TV seems to have TruMotion 480Hz. A TV with a 60Hz refresh rate creates 60 individual images on screen each second. Save my name, email, and website in this browser for the next time I comment. And our ClearScan 240Hz goes a step beyond, quadrupling the 60Hz rate to create a 240Hz effect.

LG LG: TruMotion. "Samsung's more comprehensive Clear Motion Rate takes into account all three factors that contribute to motion clarity: panel refresh rate, image processor speed, and backlight technology." It's also worth checking reviews for measurements and subjective takes on how the TV handles motion -- that's more useful than any manufacturer-supplied spec. For most of its 2019 TVs Sony doesn't list a number on its website, instead it just says "Motionflow XR." This is the motion index, which says that the TV shows a quality commensurate with the display of the video with the frequency specified in Trumotion. The issue is calling it "120Hz" when it's really just a 60Hz TV with a scanning backlight causing you to see the same frame twice in a row. 120 Hz – a frame rate of 120 frames per second is used in countries with an electric network frequency of 60 Hz. It's actually quite fascinating, but the details are beyond the scope of this article.

and include "higher refresh" in lower-priced TVs, the manufacturers have gotten a bit...creative. On the other hand, last year's 55LM6700 had a claimed "240Hz effect" but actually had worse motion resolution than some 120Hz TVs. It's unlikely a TV with a CMR of 240 would be a 240Hz panel, as such an expensive panel would almost certainly come with one or both the other features. Higher refresh rate claims with numbers like 120, 240, and higher are common, but not always accurate.



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